/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.modules.his.recordsCenter.service.impl;

import me.zhengjie.modules.his.domain.Unit;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.modules.his.recordsCenter.repository.UnitRepository;
import me.zhengjie.modules.his.recordsCenter.service.UnitService;
import me.zhengjie.modules.his.recordsCenter.service.dto.UnitDto;
import me.zhengjie.modules.his.recordsCenter.service.dto.UnitQueryCriteria;
import me.zhengjie.modules.his.recordsCenter.service.mapstruct.UnitMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://eladmin.vip
* @description 服务实现
* @author his
* @date 2022-11-11
**/
@Service
@RequiredArgsConstructor
public class UnitServiceImpl implements UnitService {

    private final UnitRepository unitRepository;
    private final UnitMapper unitMapper;

    @Override
    public Map<String,Object> queryAll(UnitQueryCriteria criteria, Pageable pageable){
        Page<Unit> page = unitRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(unitMapper::toDto));
    }

    @Override
    public List<UnitDto> queryAll(UnitQueryCriteria criteria){
        return unitMapper.toDto(unitRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional
    public UnitDto findById(Integer unitId) {
        Unit unit = unitRepository.findById(unitId).orElseGet(Unit::new);
        ValidationUtil.isNull(unit.getUnitId(),"Unit","unitId",unitId);
        return unitMapper.toDto(unit);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public UnitDto create(Unit resources) {
        return unitMapper.toDto(unitRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(Unit resources) {
        Unit unit = unitRepository.findById(resources.getUnitId()).orElseGet(Unit::new);
        ValidationUtil.isNull( unit.getUnitId(),"Unit","id",resources.getUnitId());
        unit.copy(resources);
        unitRepository.save(unit);
    }

    @Override
    public void deleteAll(Integer[] ids) {
        for (Integer unitId : ids) {
            unitRepository.deleteById(unitId);
        }
    }

    @Override
    public void download(List<UnitDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (UnitDto unit : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("单位", unit.getUnitName());
            map.put("创建者", unit.getCreateBy());
            map.put("更新者", unit.getUpdateBy());
            map.put("创建日期", unit.getCreateTime());
            map.put("更新时间", unit.getUpdateTime());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}